Rotary-engine.



J. JOOSTEN I P. A. PERRIN.

ROTARY ENGINE.

APPLICATION FILED IAN. e. 1914.

l 926,26. L Patented Apr. 9, 1918,

5 SHEETS-SHEET l- J. JOOSTEN L P. A. PERRIN.

ROTARYENGINE.

APPLICATION FaLED JAN. s. 1914.

. $262,296., Fateuted 9, 1918.

5 SHE EETZ.'

l. JOOSTEN & P. A. PERRIN.

ROTARY ENGINE.

APPLICATION FILED IAN. s. 1914.

192629296., y Patented Apr. 951918.

5 SHEETS-SHEET 3 '1. JOSTEN & P. A. PERRIN.

ROTARY ENGINE.

APPLlcATlbN FILED 1AN.6.1914.

Patented Apr. 9,1918.

5 SHEETS-SHEET 4 LQQOG.

l.. iPOOSTFEJII 6b P. A. PERRIN.

f ROTARY ENGINE. APPLLCAILQ'N FILED JAN. e. 19M.

5 SHEETS-SHEET 5- Patented Apr. 9, 1918.

50 `is providedywithve .helicoidal partitions lrn .man .roos'rnn' ann rrEnEE ANDRE rEnam, or LILLE, rnencE.

` Ecrans ENGINE. l

To all 'whom t may concern:

Be it 4known that we, JEAN Joos'rEN, a subject of the King of Belgium, and PIERRE ANDR PERRIN, a citizen of the French Republic, residing, respectively, at Lille, Nord, in France, have invented certain new and useful Improvements in Rota-ry Engines, Pumps, and the like, of which the following is a specication.

y This invention relates to improvements in rotary engines, pumps, motors, or similar at I `3 and passing through ennes.

the accompanying drawings:

Figure 1 is an elevation of the engine wall the front of the engine casing being, removed. h y

Fig. 2 is a section on the line A-B of Fig. 1.

Fig. 3 is avertieal longitudinal section of the engine.

Fig. 4 is a plan view, the part 1 of the casing shown in Fig. 1 being. removed to allow the interior construction to be seen.

Figs. 5 and 6 are sections illustrating the positions of the reversing mechanism of the engine.

' 1 andf2 are two semi-circular members fo a casing and composing the stator or fixed part of the engine; these two members are connected together by bolts 2a Fig. supports 3 and 4 supporting the who Four juxtaposed quadrant `members 5, 6, 7 and 8 are bolted together by bolts 71 thesemembers having together the appearance of a wheel comprising four arms of which the lim portions 5, 6, 7, 8 are of channel shape and form with the stator chambers the cross sections of which are parts of an annulus as indicated -by 72 in Figs.- 2 and 3. The parts of the sectors formin the four arms, 6, 7, 8a are hollow an form four ehambers'for the accommodation of four disks 17, 18, 19,

S rim chambers 72 the peripheries of the disks vclosely tting against the -channel like wall divide theV space comprised between the and provided with central axles rotatable in `bearings formed on the arms 5, 6, 7a and 8a as can be seen in Fig. 3. rllhese disks project out. of their chambers and extend into the 'K3-of the stator (Figs. 2 and 4). rihe stator 11, 12, 13, 14 and 15 fixed thereto and which stator and rotor linto five chambers 72. One end-of the'axle of each disk extends `which lie in the spaces between the arms and engage withl beveled pinions 24, 25, 26, 27 carried by shafts 28, 29, 30, 31, Fig. 4 rotating 1n bearings 32 (Fig. 2). The other ends Vof these shafts carry outside the rotor ar K Patented Apr., 9, 1918.

Application led January 6, v1914. Serial No. 810,601.

wheels 33, 34, 35, 36, which roll on a xed cog-wheel 37 attached to the bearin 9.

The rotation of the rotor in the hearings thus causes the Simultaneous rotation of all the disks 16, 17 18 and 19 on vtheir axles and the angular speeds of the disks and of the rotor are thus in constant relation.

The dimensions of the gear wheel are such that in the machine illustrated each disk makes exactly tive complete revolutions on its axis while the rotor which carries them makes one revolution. The relation of the angular speeds being a whole'number tresults that the disks follow the same path at each revolution of the rotor. In particularfthe path described by any radius of a disk is a closed helicoidal surface.

Each disk is provided with a single radial notch 38, 39, 40, 41 of helicoidal shape determined by the relation` of the angular speeds of the disks and rotor, and each xed partition 11, 12, 13, 14, 15 is of a helicoidal shape corresponding to the path traced in the chamber by the passage of the helicoidal notches of disks and is ixed at l the very place of the passage of these notches into the chambers 72. Consequently, during rotation of the rotor the fixed partitions,

arriving at the required moments so as to.

slideover the fixed helicoidalpartitions in the same manner as a nut-thread slides on a screw-thread.

'rhs depth of the notch of the disks is' limited to the depth of the chambers 72, so that the helicoidal fixed partitions completely close the helicoidal notches of the disks when the disks are passing by.

.The hambers 72 perform the functions of the cylinder y of a reciprocating engine 1 and; the disks the functions of pistons.V the engine illustrated which is an explosion lmotor 42, 45;, 44, 45, 46, 47l (Fi .1213 and 4) `are the or' ces or assage o vt e P @ist 69 and 70 are holes pierced in the d inlet and the outletconduits for the gases and 52, 53, 54, 55 ar.e the pipes for the passage of the gases from onesidc to the other of the samedisk. y

60, 61, 62 and 63 are the sparking plugs.

64 (Figs. 2, 5 and 6) is the central admission pipe for the gases which has its orifice between two pistons 65, 66' obstructing the central passage 64a of the shaft. The conduits 48and 49 are divided into two branches before reaching the central passage 64a and the conduitsvO and 51 are connected with `the central passage between the two branches of the conduits 48 and 49. According as it is desired to eEect the admission through the conduits 48 and 49 or 50 and 51 that is to say for reversing the rotation of the motor the pistons 65 and 66 are so displaced that they comprise between them the orifices of the one or the other conduits.

The gases are exhausted through the ori'- fices left exposed behind the piston 65 and leading to the annular space left free between the central admission pipe 64 and the ycentral passage 64n of the shaft. In the case of admission through pipes with doubleorifices an annular plug 67 mounted on the central admission pipe stops the supple'- mentary orifices which-otherwise serve for exhaust. The unused side of the shaftfpassage is closed by a plug 68.

` Oiling is eected under pressure by the ordinary meansand gas tightness between the various members of the machine is' effected by packing in the usual manner.

The improved engine can have any suitable .number of disks but it is to be noted that in order to avoid the disks passing the helicoidal partitions at the same time, which wouldV cause as many dead points per revolution as there are disks, it-.is necessary that the number of the helicoidal partitions should be always one more than the number of disks. v

The engine works as followsz- Assuming that the rotor is rotating in the direction of` thearrow (Fig. 3) then the spaces comprised between the partition 13 and the disk 17' and the partition 15 and the disk 19 are increased and in these spaces the gases are being sucked-in entering therein through-,the orifices 42 and 43, fed through the conduits48 and 49, which are connected to the central passage 64HL betweenv the two pistons-65 and 66 of the admission pipe 64. The machine continuing its rota. t1on fresh gases fed through the orifice' 42 begin to kfill the space comprised between the helicoids 12 and 13, then the disk 17 passes the Yhelicoid 12 while continuing to v through orifices arranged like 45 (Fig. 4),

but the conduits 54 and 55 are" obstructed by the disks'7 the gases are therefore compressed until the moment when the disks begin to pass the helicoids. The dimensions of the chambers are so calculated that the compression at this moment reaches the suitable value. From this moment and during the whole time .of passage past the helicoidal partitions the disks 18 and 16 bring the bores 70 and 69 between the conduits 54,

53, and 52, 55 and the gases then commenceto passfrom the space comprised between the front face of the disk and the rear face of thehelicoidal partition into the space comprised between the rear face of the disk and the front face of the helicoidal partition when the helicoidal partition is passed the gases will be behind the disks at the same compression, since the space is exactly to the disk. At this moment the spark is 'symmetrical with the former with respect produced at the plugs 62 and 63 and theA disks are driven forward, the conduits 53 and 52 being then closed. The gases expand and the disks 18 and 16 will lea-ve' them burnt behind them. At each helicoidal partition the operation will recommence..

Reverting now to the disks 17 and 19, their front faces begin-to drive before them the burnt gases, the conduits 50 and 51 being constantly open by means of the orifices 44 (Fig. 4), and the burnt gases passl in to the annular passage 648L and thence to the open air.

To sum up, the disks 17 and 1 9 continually expel before them the burnt gases and continually fill the spaces behind them with fresh gases, the disks 18 and 16 compress the gases in front of them and these gases are exploded behind them. The suction and exhaust of the gases are continued through the same orifices.

If the engine is reversed the same opera-r v tions are repeated inthe reverse manner.

The engine is economical as regards the use of fuel and gives reat power for a small size and weight. I t 1s particularly suitable fory automobiles as owing to its exibilitv it permits o f easy and progressive starting. By reversmg it and causing it to act as compressor, it may be employed to brake either l the wheels or the Cardan sh'aft of an automobile 1na powerful, progressive and rapid' manner. l

1t is also suitable tion purposes.

for aviation and vnaviga- What we claim as ourinvention and desire to secure by Letters Patent of the UnitedStates is 'zl. In a device ofthe character described, the combination of a rotor, a stator sur'- rounding said rotor and adapted to form to I. gether therewith an annular chamber of circular cross section,v helicoidal partitions. `fixed to said stator dividing said chamber- 1o into a series of working chambers, a series of rotatable disks provided with lubricating passages carriedby said rotor ofanumber different from the number of working chambers and projecting into said'chambers on planes at right angles to the longitudinal planes of sald workin chambers, means provided .in certain of sald disks for the sup-'- ply of explosive mixture to and the exhaust of burnt gases `from said chambers to impart rotary motion4 to said disks about the'v axis of the rotor, means provided in certain other of said disks to allow compressed gas from one working chamber to its neighbor,-

and bevel wheel gearing for imparting rotary motion to said disks about their respective axes, each of said disks being provided with a peripheral notch allowing said disks to pass 'said helicoidal partitions dur-A ing their movement,

2. In a device of the charactervdescribed, the combination of a hollow shaft, a boss mounted thereon,'a series of equally, distanced radially arranged arms mounted on said'boss,a circular channel shaped Bange carried by said' arms, lan annular chamber v1,262,206 Y, s as surrounding said flange, a series of helicoidal partitions fixed within said stator dividing said annular chamber into a series of equal working chambers, bearings earried by said axles, a series of rotatable disks each provided with a peripheral notch and partially, inclosed in said arms and 'projefating into 'said annular .chamber on planes dlsshaft, means enabling the gases compressed between a said movable partition and asaid xed helicoidal partitionto pass behind said 4movable partition, means for imparting rotarymovementto said-disks about said axles, means for conveying lubricant to said axles andl said disks, means for preventing leakage of fluid from said working chambers,

vand'means comprised in said hollow shaft for reversing the direction of rotation said disks about said shaft.

ln lwitness whereof we have signed this specification in the presence of two 4witnesses.

JAN Joos'rRN. HERRR ANDRE PERRIN.

Witnesses:

LEON BomrNG HENRI lilrnnfivn.,v v 

